Resolved! Is it possible to disable FQDN refresh?
According to these articles:
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClHJCA0
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClKbCAK
it is possible to change the timing of how often PA does
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